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RRB JE 2019:Maths Revision Quiz-4
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Question 1
In ΔXYZ measure of angle Y is 900. If cosecX = 13/12, and XY = 1 cm, then what is the length (in cm) of side YZ
Question 2
What is the value of 
?
? Question 3
The brother is elder to his sister by 6 years. Seven years ago the product of their ages was 72. What is the age of the brother?
Question 4
The ratio of the length of a rod and its shadow is 
. The angle of elevation of the sun is :
. The angle of elevation of the sun is :Question 5
The value of 
is
is Question 6
Expand and simplify (x + 5)2 + (x – 3)2
Question 7
If x + y + z = 0, then 
Question 8
Rohit walks at 17 km/hr and Ruchira cycles at 22 km/hr towards each other. What was the distance between them when they started if they meet after 44 minutes?
Question 9
If the angle of elevation of the sun changes from 45o to 60o, then the length of the shadow of a pillar decreases by 10 m. The height of the pillar is :
Question 10
If Gafur’s salary is 4/3 times of Hasshim’s and Satish is 5/4 times of Hasshim’s, what is the ratio of Gafur’s salary to Satish’s?
Question 11
The sum of non - zero number and twice its reciprocal is 33/4. Find the number.
Question 12
If 5-x> 1 + 5x and 5-3x > 2-4x; then x can take which of the following values?
Question 13
On dividing 24a2b2 by 6b2, we will get
Question 14
If 
and 
then ab is
and then ab is Question 15
Simplify 437bxaz / 23ab.
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